The right number depends on your deck's average mana value (AMV) and strategy, but most Commander decks should run between 10 and 15 dedicated ramp pieces
I also really like Toski, Bearer of Secrets , mainly because I do not own a copy of Ohran Frostfang
Herald of Eternal Dawn has some of the best text you can see on an MTG card
Honorable Mention: Artifacts with Suspend and No Cost A casual glance at Mox Tantalite might have you ask: I heard Moxes were good, but how do you play this tantalizing mox? You suspend it
There were a few sets that had multiple entries for my consideration Legends had four, Tempest had three, Stronghold had two, Exodus had three, Ravnica: City of Guilds had two, Urzas Saga had two, and Urzas Legacy had two
Outlaws of Thunder Junction Commander (OTC) Cards from Outlaws of Thunder Junction Commander (OTC) include those in the four Outlaws of Thunder Junction Commander decks: Grand Larceny, Desert Bloom, Most Wanted, and Quick Fire